25092764
Bolt
Mack

This high‑strength bolt is a fundamental fastening element used across critical assemblies in chassis, drivetrain, and body components. The selection of a bolt depends on the required tensile strength, thread type, length, and head design, all of which influence how the fastener performs under vibration and temperature fluctuations common in heavy‑duty operation. Correct bolt choice ensures consistent clamping force, preserving alignment and load transfer between connected parts. Thorough inspection during maintenance should check for thread damage, rust, or signs of over‑tightening, which can compromise joint integrity. When replacing, always match the original grade, coating, and length to maintain the design envelope and safety margins. A properly torqued bolt helps prevent loosening, reduces the likelihood of fatigue failures, and supports reliable vehicle performance over long service intervals. Source One Parts Center.